cationnoun [ C ]
uk/ˈkæt.aɪ.ən/us/ˈkæt.aɪ.ən/specializedin chemistry, an ion (= type of atom) that has a positive electric charge and therefore moves towards the cathode (= negative part of electric cell) during electrolysis
Thesaurus: synonyms and related words
Physics: atoms, molecules & sub-atomic particles
- acceptor
- anion
- antilepton
- antimatter
- antineutrino
- antiparticle
- disaccharide
- elementary particle
- intramolecular
- ion
- ionize
- lepton
- Lewis structure
- macromolecule
- neutron
- quark
- relative molecular mass
- strong force
- subatomic particle
- subunit
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Examples from literature
- In such a circle as that delineated, therefore, all the known anions may be grouped within, and all the cations without.
- The difference might possibly depend upon the arrangement of ions, anions and cations upon two sides of the permeable membrane of a repair cell.